Iguane
Description of the radar set, tactical-technical characteristics

Figure 1: Breguet Atlantic with Iguane radar
Specifications | |
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frequency: | X-Band |
pulse repetition time (PRT): | |
pulse repetition frequency (PRF): | |
pulsewidth (τ): | |
receiving time: | |
dead time: | |
peak power: | |
average power: | |
instrumented range: | 130 NM (≙ 240 km) |
range resolution: | |
accuracy: | |
beamwidth: | |
hits per scan: | |
antenna rotation: | |
MTBCF: | |
MTTR: |
Iguane
Iguane (Manufacturer’s designation: DRAA-10A or TMV-118) is operating in the X-Band airborne a multimode surveillance radar intended for installation on fixed-wing aircraft. The radar has the sensitivity to detect small periscope-size targets. It can operate in surface search mode and weather avoidance mode simultaneously and carries out track-while-scan. An Identification Friend or Foe (IFF) system is integrated into the radar. The weight of the Iguane system is under 170 kilograms.
The radar uses a parabolic antenna with inverted cosecant squared pattern. The transmitted signal is an intrapulse modulated waveform. The receiver uses classic Surface Acoustic Wave (SAW) filters with a pulse compression ratio of 500:1, achieving range resolution in the range of a few meters.
The technical evaluation of the Iguane radar was commenced in 1979; the prototype flew in May 1981. It was installed, for example, in the Breguet Atlantic as a small retractable radome under the forward fuselage. About 90 exemplars were produced.